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primary topic: Influence of the electrodeposition potential on the crystallographic structure and effective magnetic easy axis of cobalt nanowires

Influence of the electrodeposition potential on the crystallographic structure and effective magnetic easy axis of cobalt nanowires
type: AcademicArticle
type: Article
abstract: Cobalt nanowires (NWs) have been synthesized by electrodeposition inside the pores of anodized aluminium oxide templates, at different values of applied deposition potential. The as-deposited NWs are parallel to one another and exhibit a high geometrical aspect ratio. The crystal structure of these NWs shows a strong dependence on the applied deposition potential during synthesis. X-ray diffraction indicates the predominance of hexagonal-closed-packed (HCP) phase with (002) texture at low applied deposition potentials, whereas a reorientation of the c-axis of the HCP structure is observed for high electrodeposition potentials. Moreover, for a given electrodeposition time, the length of the NWs also increases with the applied potential. As a result of these structural changes, a switch in the magnetic easy axis, from parallel to perpendicular to the NW axis, occurs depending on the applied potential. A simplified model is used to account for this reorientation of the effective magnetic anisotropy direction, which takes into account the interplay between shape anisotropy, magnetocrystalline anisotropy and interwire dipolar interactions. © 2016 The Royal Society of Chemistry.
date: 2016
volume: 6
issue: 17
is part of: RSC Advances
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository

Royal Society of Chemistry
type: Organization

RSC Advances
type: Collection
issn: 20462069

M.I. Irshad
type: Person
given name: M.I.
family name: Irshad

N.M. Mohamed
type: Person
given name: N.M.
family name: Mohamed

M.S.M. Saheed
type: Person
given name: M.S.M.
family name: Saheed

A. Yar
type: Person
given name: A.
family name: Yar

M.A. Zeeshan
type: Person
given name: M.A.
family name: Zeeshan

A. Mumtaz
type: Person
given name: A.
family name: Mumtaz

M.Z. Abdullah
type: Person
given name: M.Z.
family name: Abdullah

M. Yasar
type: Person
given name: M.
family name: Yasar

J. Sort
type: Person
given name: J.
family name: Sort

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primary topic: Influence of the electrodeposition potential on the crystallographic structure and effective magnetic easy axis of cobalt nanowires